#include <stdio.h>

#ifndef __SELECT_H__
#define __SELECT_H__

    #define PLUS 1
    #define MINUS 2
    #define MULTIPLY 3
    #define DEVIDE 4

void show(int input, int a, int b, int res);
int plus(int a, int b);
int minus(int a, int b);
int divide(int a, int b);
int multiply(int a, int b);

#endif
